Engines 2017 United States, Phoenix, AZ
Engines United States, Chicago, Illinois
Engines 2004 United States, Chicago, Illinois
Engines United States, Houston, Texas
Engines 2006 232,563 h United States, Phoenix, Arizona
Engines 2007 66,044 h United States, Mesa, Arizona
Engines United States, SLC, Utah
Engines 2011 United States, Chicago, Illinois